(under the class definition) Means for attaching and maintaining the car-wheel on the axle so as to adapt it to revolve independently of the axle and not otherwise classified below.
SEE OR SEARCH CLASS
301, Land Vehicles: Wheels and Axles,
111, and indented subclasses.
403, Joints and Connections, appropriate subclasses particularly
230+, for a joint between a wheel or axle including only such
structure as is necessary to effect the joint. 411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener,
337+, for headed fasteners with securing elements; and subclasses 511+ for securing elements, per se.
